WaterVerge

Mercer Water Quality Report

9 cities ranked · Average grade: C- · New Jersey

Avg Score
57.9
Cities Ranked
9
Health Violations
8
PFAS Detected
4
Live Water Alerts for New Jersey →
57.9
County avg score
9
Cities ranked
22%
A or B grade
56%
D or F grade
8
Health violations
4
PFAS detected

How Mercer cities scored

22%
22%
22%
33%
A
2
22%
Excellent
B
0
0%
Good
C
2
22%
Fair
D
2
22%
Poor
F
3
33%
Failing

County vs New Jersey average

C-
Mercer
57.9/100
B-
New Jersey avg
70.4/100
▼ 12.5 pts below state average

Water quality across Mercer

Each dot is a city, colored by grade. Click any city to view its full report.

New Jersey city water quality map
1
Superfund site in Mercer
0
lbs/yr to surface water · top 10 TRI facilities

Top industrial polluters in Mercer

Industrial polluters nearby

Facilities reporting the most surface-water releases in Mercer, 2023.

FacilityTop chemicalTo surface water (lbs/yr)
HOVIONE NJ FACILITY EXPANSION
Chemicals · NA
HIGHTSTOWN, NJ08520
E R SQUIBB & SONS LLC
Chemicals · BRISTOL-MYERS SQUIBB CO
PRINCETON, NJ08540
TRANE CO
Machinery · TRANE TECHNOLOGIES CO LLC
TRENTON, NJ08619
ROLLER BEARING CO. OF AMERICA
Fabricated Metals · ROLLER BEARING CO OF AMERICA
WEST TRENTON, NJ08628
R.E. CARROLL INC.
Chemical Wholesalers · NA
TRENTON, NJ08638

+ 4 more facilities

Source: EPA Toxic Release Inventory (TRI) 2023

Superfund sites in Mercer

Superfund sites nearby

Federally tracked hazardous-waste sites within Mercer on the EPA National Priorities List.

Source: EPA Superfund National Priorities List

All 9 cities in Mercer

# City Grade Score Score Population Violations Issues
1 Hightstown Boro-1104
A
93.2
5K 36 Health Unresolved
2 East Windsor Twp.-1101
A-
87
25K 41 Health Unresolved
3 Hopewell Boro-1105
C
64.7
2K 335 Health Unresolved
4 Pennington Boro-1108
C-
57.1
3K 419 Unresolved
5 Lawrence Twp.-1107
D
48.7
217K 138 Health Unresolved
6 Lawrence Twp.-1107
D
48.7
217K 138 Health Unresolved
7 Lawrence Twp.-1107
F
44.7
218K 356 Health Unresolved
8 Lawrence Twp.-1107
F
39.9
256K 188 Health PFAS Unresolved
9 Lawrence Twp.-1107
F
37.1
227K 484 Health PFAS Unresolved
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